作业帮pass first在游泳里是什么意思是在这道题里的：2 swimmers at opposite ends of a pool decide to race each other over 2 lenghths.They started at the same time,and when they pass first they are 20m from the end at which A started.When they
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pass first在游泳里是什么意思是在这道题里的：2 swimmers at opposite ends of a pool decide to race each other over 2 lenghths.They started at the same time,and when they pass first they are 20m from the end at which A started.When they
pass first在游泳里是什么意思
是在这道题里的：2 swimmers at opposite ends of a pool decide to race each other over 2 lenghths.They started at the same time,and when they pass first they are 20m from the end at which A started.When they next pass,they are 5m from B's starting end.
1) Who won the race
2)How long was the pool
crystalorange:你先给我，
pass first在游泳里是什么意思是在这道题里的：2 swimmers at opposite ends of a pool decide to race each other over 2 lenghths.They started at the same time,and when they pass first they are 20m from the end at which A started.When they
2个人在泳池的2端相向而游分别游了2个池长(每人游了一个来回,回到原点).
他们同时开始,在第一次相遇时距离A的出发点20M(也就是泳池的A端),当他们第二次相遇时距离B的出发点5M(也就是泳池的B端),
1)谁游的快
2)泳池多少
firts pass是指2人第一次相遇,也就是擦肩游过时. 并不是游泳的专有名词,这样解释能明白这个题了吧...要是不会做这个题,你可以分类到数学下,当然是汉字
不对的，，在这里应该是相遇的意思，在这个时候，他们即将彼此向相反的方向游去。。。。这里的PAST的意思。。。。。
当然答案就出来了啊，，赢得当然就是B了啊，，
然后长度嘛，，就是55M。。。